What is common in all the three, Funaria, Dryopteris and Ginkgo?
Options
(a) Independent sporophyte (b) Presence of archegonia (c) Well developed vascular tissues (d) Independent gametophyte
Correct Answer:
Presence of archegonia
Explanation:
The […]
The chief water conducting elements of xylem in gymnosperms are:
Options
(a) vessels (b) fibres (c) transfusion tissue (d) tracheids
Correct Answer:
tracheids
Explanation:
Tracheids are chief water conducting elements of xylem in […]
Even in absence of pollinating agents seed setting is assured in
Options
(a) Comellina (b) Zostera (c) Salvia (d) Fig
Correct Answer:
Comellina
Explanation:
There are two types of flower in Commellina. They […]
Which one of the following is essential for photolysis of water?
Options
(a) Manganese (b) Zinc (c) Copper (d) Boron
Correct Answer:
Manganese
Explanation:
Photolysis is catalysed by the portein-bound inorganic complex containing manganese […]
Which one of the following is not a property of the genetic code?
Options
(a) Universal (b) Non-overlapping (c) Ambiguous (d) Degeneracy
Correct Answer:
Ambiguous
Explanation:
No explanation available. Be the first to […]
Which one of the following is not a constituent of cell membrane?
Options
(a) glycolipids (b) proline (c) phospholipids (d) cholesterol
Correct Answer:
proline
Explanation:
Proline is an amino acid and not a part […]
Which one of the following is correctly matched about vegetables?
Options
(a) Onion – Bulb (b) Ginger – Sucker (c) Cylamydomonas – Conidia (d) Yeast – Zoospores
Correct Answer:
Onion – Bulb
Explanation: […]
Which one of the following elements in plants is not remobilised?
Options
(a) Phosphorus (b) Calcium (c) Potassium (d) Sulphur
Correct Answer:
Calcium
Explanation:
Calcium is not remonilized from the leaves to the […]
The finches of Galapagos islands provide an evidence in favour of
Options
(a) evolution due to mutation (b) retrogressive evolution (c) biogeographical evolution (d) special creation
Correct Answer:
biogeographical evolution
Explanation:
No explanation […]
Important site for formation of glycoproteins and glycolipids is
Options
(a) vacuole (b) golgi apparatus (c) plastid (d) Iysosome
Correct Answer:
golgi apparatus
Explanation:
Eukaryotic cells contain a unique cluster of membrane vesicles known […]
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